:root {
  --color-text: #0f172a;
  --color-muted: #475569;
  --color-bg: #f7fbff;
  --color-surface: #ffffff;
  --color-surface-strong: #eef6ff;
  --color-accent: #2271b1;
  --color-accent-2: #27ae60;
  --color-border: rgba(34, 113, 177, 0.16);
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
}

img {
  max-width: 100%;
  display: block;
}

.container {
  width: min(100%, var(--max-width));
  margin: 0 auto;
  padding: 1rem;
}

.site-header {
  background: #fff;
  box-shadow: 0 8px 30px rgba(15, 23, 42, 0.06);
  position: sticky;
  top: 0;
  z-index: 20;
}

.top-bar {
  background: #0b2552;
  color: #f8fbff;
  font-size: 0.92rem;
}

.top-bar .container {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.top-bar a {
  color: inherit;
  text-decoration: none;
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--color-text);
}

.logo {
  max-height: 42px;
  width: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.3rem;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 600;
}

.site-nav a:hover,
.site-nav a:focus {
  color: var(--color-accent);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text);
  padding: 0.8rem 1rem;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 700;
}

.hero {
  padding: 4rem 0 3rem;
  background: linear-gradient(180deg, #eef6ff 0%, #f7fbff 100%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 0.95fr;
  gap: 2rem;
  align-items: center;
}

.hero-content h1 {
  margin: 0;
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 1.02;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-accent);
  font-size: 0.87rem;
  margin-bottom: 0.9rem;
  font-weight: 700;
}

.hero-content {
  max-width: 43rem;
}

.lead {
  margin: 1.2rem 0 0;
  max-width: 57rem;
  color: var(--color-muted);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  border-radius: 999px;
  font-weight: 700;
  padding: 0.95rem 1.45rem;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.btn:hover,
.btn:focus {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}

.btn-secondary {
  background: var(--color-accent-2);
  color: #fff;
}

.section-heading {
  margin-bottom: 1rem;
  font-size: 1.75rem;
}

.overview,
.donation-grid,
.cards {
  margin-top: 2.5rem;
}

.overview p,
.overview ul,
.donation-card p,
.donation-card ul {
  color: var(--color-muted);
}

.overview ul,
.donation-card ul {
  padding-left: 1.2rem;
  margin: 1rem 0 0;
}

.overview ul li,
.donation-card ul li {
  margin-bottom: 0.75rem;
}

.donation-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.donation-card,
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 1.25rem;
  padding: 1.7rem;
  box-shadow: 0 20px 48px rgba(15, 23, 42, 0.06);
}

.donation-card h3,
.card h3 {
  margin-top: 0;
  color: var(--color-accent);
}

.payment-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1rem;
}

.payfast-form {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.payfast-row {
  display: grid;
  gap: 0.5rem;
}

.payfast-row label {
  font-weight: 600;
  color: var(--color-text);
}

.payfast-row input[type="number"] {
  width: 100%;
  padding: 0.95rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 0.85rem;
  font-size: 1rem;
  color: var(--color-text);
  background: #fff;
}

.payfast-form input[type="image"] {
  max-width: 240px;
  width: 100%;
  height: auto;
  border: none;
  border-radius: 0.95rem;
}

.donation-note {
  margin-top: 1rem;
  color: var(--color-muted);
  font-size: 0.96rem;
}

.site-footer {
  background: #0b2552;
  color: #dbe7ff;
  padding: 2.5rem 0;
  margin-top: 4rem;
}

.site-footer a {
  color: #cfe4ff;
  text-decoration: none;
}

.site-footer a:hover,
.site-footer a:focus {
  color: #fff;
}

@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 1.8rem;
  }
}

@media (max-width: 820px) {
  .top-bar .container,
  .nav-bar .container {
    padding-left: 0;
    padding-right: 0;
  }

  .top-bar {
    text-align: center;
  }

  .site-nav {
    display: none;
    flex-direction: column;
    gap: 1rem;
    background: var(--color-surface);
    position: absolute;
    width: 100%;
    left: 0;
    top: 100%;
    padding: 1.5rem 1rem;
    border-top: 1px solid var(--color-border);
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
  }

  .site-nav.open {
    display: flex;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-bar {
    position: relative;
  }
}

@media (max-width: 640px) {
  .top-bar .container {
    flex-direction: column;
    gap: 0.75rem;
  }

  .hero {
    padding-top: 3rem;
  }

  .button-group {
    flex-direction: column;
  }
}